#!/usr/bin/python
#Filename : while.py

number = 23

running = True
while running:
	guess = int(raw_input('Enter you guess number:'))

	if guess == number:
		print 'congratulation , you guess it. ' #New block starts here
		print 'But you won\'t anything'   #New block starts here
		running = False

	elif guess < number :
		print 'you guess is litter' #Anther block
		# you can do whatever you want in a block ...
	else :
		print 'It is so big'
		# you must have guess > number to reach here

print 'Done'
#This is last statement is always excuted, after the if statement is executed
